英文關鍵字
adult
adventure
arm
ask
attractive
back
backpack
bag
bearded
car
cardboard
caucasian
country
day
destination
forest
free
freedom
gesture
goes
guy
highway
hike
hiker
hitch
hitchhike
hitchhiking
holding
human
journey
lost
park
passing
ride
road
sign
single
stop
sunny
thumb
tired
tour
tourism
tourist
travel
traveler
tries
trip
vacation
voyage
waiting
wayside